#B31C6B#B31C6B

#B31C6B is a mid, vivid pink. Relative luminance 0.115; OKLCH L 51.1% C 0.193 H 355.5°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#B31C6B
RGB	rgb(179, 28, 107)
HSL	hsl(329, 73%, 41%)
HSV	hsv(329, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 40.2%, 29.8%)
CIE-LAB	lab(40.38, 62.41, -6.05)
CIE-LCH	lch(40.38, 62.71, 354.46°)
OKLab	oklab(51.15% 0.1923 -0.0152)
OKLCH	oklch(51.15% 0.193 355.5)
XYZ	xyz(21.6611, 11.4786, 14.9820)
Luminance	0.1148 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C6B #1CB364

analogous

#AF1CB3 #B31C6B #B31C20

triadic

#B31C6B #6BB31C #1C6BB3

tetradic

#B31C6B #B3AF1C #1CB364 #1C20B3

square

#B31C6B #B3AF1C #1CB364 #1C20B3

split-complementary

#B31C6B #20B31C #1CB3AF

monochromatic

#490B2C #7E144B #B31C6B #DE2E8A #E763A8

Accessibility & contrast

On white

6.37

#B31C6B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B31C6B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C6B

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C6B	#FFFFFF	#000000	##FFFFFF
##B31C6B	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404E6D

Deuteranopia (green-blind)

#696968

Tritanopia (blue-blind)

#C20042

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b31c6b;
/* rgb */ color: rgb(179, 28, 107);
/* oklch */ color: oklch(51.1% 0.193 355.5);

Tailwind

colors: {
  custom: {
    50: '#cf6c95',
    500: '#b31c6b',
    950: '#000000',
  },
}

SCSS

$custom: #b31c6b;
$custom-light: #cf6c95;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c6b",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 107
  },
  "hsl": {
    "h": 328.609,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5115,
    "c": 0.19287,
    "h": 355.5
  },
  "luminance": 0.11476
}

Semantic roles & 50–950 ramp

primary

#B31C6B

secondary

#5FCB93

accent

#F09038

background

#FDF7F9

surface

#FAEDF1

border

#D3C8CB

text

#15080D

muted

#837B7E

Preview Lab

Preview with #B31C6B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →